Bio Words Topic 3.3

Front 1

Exchange of materials

Back 1

Is done with a thin layer between the surfaces to make it easier to exchange the materials.

Hint 1

thin

Front 2

Alveoli

Back 2

Is an exchange surface located in the lungs. It is apart of the respiratory system. It the abundance of small air pockets in the lungs that increase the surface area of the lungs and have a very important function.

Front 3

Villi

Back 3

Is an exchange surface located in the small intestine. The small intestine is apart of the digestive system. It has small finger like projections that enable a larger absorption of nutrients.

Front 4

Nephrons

Back 4

Is a surface exchange surface located in the kidneys. The kidneys is apart of the excretory system, the solute kind of excretion (urine)

Front 5

Diffusion

Back 5

Is the process of a substance moving from an area of high concentration to a lower area of concentration.

Front 6

Capillary

Back 6

is a blood vessel that exchanged materials between blood and the cells of the body.

Front 7

Trachea

Back 7

part of the respiratory system and allows air to pass in/out of the bronchi.

Front 8

Bronchus

Back 8

part of the respiratory system and allows air to pass in/out of the lungs.

Front 9

Bronchiole

Back 9

part of the respiratory system that allows air to be pumped out of the alveoli.

Front 10

Inhalation

Back 10

Is the act of air moving into the alveoli.

Front 11

Exhalation

Back 11

Is the act of air moving out of the alveoli.

Front 12

Concentration gradient

Back 12

Is when something goes from a high concentration area to a low concentration area.

Front 13

Tidal volume

Back 13

is the amount of air in the lungs.

Front 14

Residual volume

Back 14

Is the air that stays in the lungs after each breath.

Front 15

Lifestyle diseases

Back 15

When a persons lifestyle contributes to a ‘later in life’ disease.

Front 16

When air is being moved in either out or in of the alveoli, what is this called?

Back 16

This is called ventilation.